use std::cmp::PartialOrd;
use std::cmp::Ordering;
use std::cmp::PartialEq;

enum Test {

    Test1,
    Test2,
    Test3

}
fn prio (t: &Test) -> u8 {
    match t {
        Test::Test1 => 1,
        Test::Test2 => 1,
        Test::Test3 => 2
    }
}
impl PartialOrd for Test {
    fn partial_cmp(&self, other: &Test) -> Option<Ordering>{
        let prio_of_first = prio(self);
        let prio_of_other = prio(&other);
        Some(prio_of_first.cmp(&prio_of_other))
    }
}
impl PartialEq for Test {
    fn eq(&self, other: &Test) -> bool{
        let prio_of_first = prio(self);
        let prio_of_other = prio(&other);
        prio_of_first == prio_of_other
    }
}

fn main() {

    println!("{:?}", Test::Test1 < Test::Test3);
}